Inventor
James C. Westhoff
Inventor
The Woodlands, TX, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling32%
B22FWorking metallic powder28%
C22CAlloys28%
Y10TTechnical subjects covered by former us classification8%
B22DCasting of metals4%
PatentTitleYear
10,167,673Earth-boring tools and methods of forming tools including hard particles in a binder20199,428,822'Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components'20169,109,413'Methods of forming components and portions of earth-boring tools including sintered composite materials'20158,403,080'Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components'20138,230,762'Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials'20128,172,914'Infiltration of hard particles with molten liquid binders including melting point reducing constituents, and methods of casting bodies of earth-boring tools'20128,087,324'Cast cones and other components for earth-boring tools and related methods'20128,074,750'Earth-boring tools comprising silicon carbide composite materials, and methods of forming same'20118,007,714'Earth-boring bits'20117,954,569'Earth-boring bits'20117,913,779'Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits'20117,829,013'Components of earth-boring tools including sintered composite materials and methods of forming such components'20107,807,099'Method for forming earth-boring tools comprising silicon carbide composite materials'20107,784,567'Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits'20107,691,173'Consolidated hard materials, earth-boring rotary drill bits including such hard materials, and methods of forming such hard materials'20107,556,668'Consolidated hard materials, methods of manufacture, and applications'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2019Patents assigned to BAKER HUGHES INC (16)· patent assignee history
2009–2015Based in The Woodlands, TX, US· patent location history
2011–2015Patents assigned to EASON JIMMY W (6)· patent assignee history
2011–2015Patents assigned to WESTHOFF JAMES C (6)· patent assignee history
2011–2016Patents assigned to TDY IND INC (5)· patent assignee history
2012–2013Patents assigned to COLLINS GABRIEL B (3)· patent assignee history
2016–2019Based in Conroe, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 16 | 2009–2019 |
| EASON JIMMY W | 6 | 2011–2015 |
| WESTHOFF JAMES Cself | 6 | 2011–2015 |
| TDY IND INC | 5 | 2011–2016 |
| COLLINS GABRIEL B | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| The Woodlands, Texas, US | 14 | 2009–2015 |
| Conroe, Texas, US | 2 | 2016–2019 |